The Red Hat Certified Cloud-native Developer exam (EX378) tests your skills and knowledge with regard to coding the server side of Kubernetes-native Java applications using the Quarkus framework. The exam focuses on the basic skills required to create a complete microservice using a persistent data store. This exam is based on Red Hat® OpenShift® Container Platform 4.12. This exam is based on Red Hat Build of Quarkus v2.13.
Familiarity with using Visual Code/Codiium in a Red Hat Enterprise Linux environment.
Good experience with JSE, including a knowledge and understanding of the core Java concepts and APIs, is necessary for this exam. For example, Exceptions, Annotations and the Collections API are all required during the exam.
Some familiarity with Openshift/Kubernetes is beneficial.
Study points for the exam
To help you prepare, these exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance.
You should be able to perform these tasks:
Provide and obtain configuration properties through several environment-aware sources made available through dependency injection or lookup
Externalize data into configured values.
Inject configured values into beans using the @Inject and the @ConfigProperty qualifier.
Access or create a configuration.
Understand default and custom ConfigSource and ConfigSource ordering. As with all Red Hat performance-based exams, configurations must persist after restart without intervention.
Build fault-tolerant Quarkus-based microservices using Microprofile Fault Tolerance strategies
Understand the relationship to MicroProfile Config.
Understand async versus sync execution type.
Understand Retry policies and apply using @Retry.
Understand and define Fallback.
Understand and apply CircuitBreaker.
Understand and apply Bulkhead.
Understand and set up fault tolerance configuration.
Probe the state of a Quarkus application from another machine using MicroProfile Health Check
Understand and implement the HealthCheck interface.
Understand and apply @Liveness and @Readiness annotation.
Understand and implement HealthCheckResponse.
Construct human-friendly HealthCheckResponse.
Export monitoring data to management agents from a running Quarkus application using Microprofile Metrics
Understand and use three sets of sub-resource (scopes): Base, vendor, application.
While attending Red Hat classes can be an important part of your preparation, attending class does not guarantee success on the exam. Previous experience, practice, and native aptitude are also important determinants of success.
Many books and other resources on system administration for Red Hat products are available. Red Hat does not endorse any of these materials as preparation guides for exams. Nevertheless, you may find additional reading helpful to deepen your understanding.
The Red Hat Certified Cloud-Native Developer Exam is a hands-on, practical exam that requires you to undertake real-world tasks. Internet access is not provided during the exam, and you will not be permitted to bring any hard copy or electronic documentation into the exam. This prohibition includes notes, books, or any other materials. For most exams, the documentation that ships with the product is available during the exam.
Scores and reporting
Official scores for exams come exclusively from Red Hat Certification Central. Red Hat does not authorize examiners or training partners to report results to candidates directly. Scores on the exam are usually reported within 3 U.S. business days.
Exam results are reported as total scores. Red Hat does not report performance on individual items, nor will it provide additional information upon request.
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